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Gun-Barrel.

Description: Patent for improvement in small firearms. The gun combines a cylindrical breech and with an elliptical bore in order to increase the projectile’s impact and stabilize its trajectory. The invention uses an ordinary ball cartridge, improving upon an earlier patent by the inventor. Detailed explanation and illustrations included.
Date: March 4, 1902
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Mattress-Making Machine.

Description: Patent for a mattress making machine for use in cotton gins that fills the mattress tick with a even amount of stuffing without wadding and can be used with any type of cloth mattress tick.
Date: June 4, 1907
Creator: White, Charles W.
Item Type: Refine your search to only Patent
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